package com.sky.controller.admin;

import com.sky.constant.StatusConstant;
import com.sky.dto.CategoryPageQueryDTO;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;


    @PostMapping
    @ApiOperation("添加菜品")
    public Result saveDish(@RequestBody DishDTO dishDTO){
        log.info("添加菜品：{}", dishDTO);
        String key = "dish_" + dishDTO.getCategoryId();
        cleanCache(key);
        dishService.saveDishWithFlavor(dishDTO);
        return Result.success();
    }

    @GetMapping("/page")
    @ApiOperation("分页查询菜品")
    public Result<PageResult> getDishList(DishPageQueryDTO dishPageQueryDTO){
        log.info("分页查询菜品:{} ", dishPageQueryDTO);
        PageResult pageResult = dishService.getDishList(dishPageQueryDTO);
        return Result.success(pageResult);
    }
    @DeleteMapping
    @ApiOperation("批量删除指定菜品")
    public Result deleteDish(@RequestParam List<Long> ids){
        log.info("删除指定菜品：{}", ids);
        cleanCache("dish_*");
        dishService.deleteDish(ids);
        return Result.success();
    }

    @GetMapping("/{id}")
    @ApiOperation("查询指定菜品")
    public Result<DishVO> selectById(@PathVariable Long id){
        log.info("查询指定菜品：{}", id);
        DishVO dishVO = dishService.selectById(id);
        return Result.success(dishVO);
    }

    @PutMapping
    @ApiOperation("修改菜品")
    public Result updateDish(@RequestBody DishDTO dishDTO){
        log.info("修改菜品：{}", dishDTO);
        cleanCache("dish_*");
        dishService.updateDish(dishDTO);
        return Result.success();
    }

    @GetMapping("/list")
    @ApiOperation("根据分类ID查询菜品")
    public Result<List<DishVO>> getDishByCategoriesId(Long categoryId){
        Dish dish = new Dish();
        dish.setCategoryId(categoryId);
        dish.setStatus(StatusConstant.ENABLE);//查询起售中的菜品

        List<DishVO> dishList = dishService.getDishByCategoriesId(dish);
        return Result.success(dishList);
    }


    @PostMapping("/status/{status}")
    @ApiOperation("修改菜品状态")
    public Result setStatus(@PathVariable Integer status, Long id) {
        log.info("修改菜品状态：id={}, status={}", id, status);
        cleanCache("dish_*");
        dishService.setStatus(status, id);
        return Result.success();
    }


    /**
     * 清除缓存
     * @param pattern
     */
    private void  cleanCache(String pattern) {
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }







}
